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首页> 外文会议>International Conference on Surface and Colloid Science; 200309; Brazil >Nonlinear oscillations at liquid interfaces by surfactant transfer
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Nonlinear oscillations at liquid interfaces by surfactant transfer

机译：表面活性剂转移引起的液体界面非线性振荡

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摘要

Systems are reviewed in which spontaneous nonlinear oscillations occur at the interface by surfactant transfer inside the system. Oscillations of the electrical potential through the interface and of the interfacial tension were observed by transfer of ionic species through an oil/water interface and through a liquid oil membrane interposed between two aqueous solutions. Auto-oscillations of the surface tension occur at the air/water interface by dissolution of a surfactant droplet in the bulk of water. The last system is the simplest from the chemical point of view, and the mechanism of this phenomenon can be explained on the basis of direct numerical simulations of the dynamics of the model system.
机译：回顾了通过表面活性剂在系统内部转移而在界面处发生自发非线性振荡的系统。通过离子物质通过油/水界面以及通过介于两种水溶液之间的液态油膜的转移，可以观察到通过界面的电势和界面张力的振荡。表面张力的自激振荡是通过表面活性剂液滴在大部分水中的溶解在空气/水界面处发生的。从化学观点来看，最后一个系统是最简单的，并且可以在模型系统动力学的直接数值模拟的基础上解释这种现象的机理。

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